25551502656272 has 40 divisors (see below), whose sum is σ = 53306599543200. Its totient is φ = 11820435917312.

The previous prime is 25551502656217. The next prime is 25551502656299. The reversal of 25551502656272 is 27265620515552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796080122 + ... + 796112217.

It is an arithmetic number, because the mean of its divisors is an integer number (1332664988580).

Almost surely, 2^{25551502656272} is an apocalyptic number.

It is an amenable number.

25551502656272 is an abundant number, since it is smaller than the sum of its proper divisors (27755096886928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25551502656272 is a wasteful number, since it uses less digits than its factorization.

25551502656272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592192423 (or 1592192417 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 25551502656272 in words is "twenty-five trillion, five hundred fifty-one billion, five hundred two million, six hundred fifty-six thousand, two hundred seventy-two".